you have to know that any part of the circuit can be at mains voltage. Now read on to see why! A transformerless power supply (TPS) is basically just a voltage divider that takes the 115 or 220 ...

[Ammon] repairs busted LCD monitors as a side hobby, so replacing burned out CCFLs and inverter circuits is something he can do in his sleep. One Dell monitor he received had him so perplexed ...